What was found
DURING MBV A PREVIOUS REPAIR ON THE LT OMEGA BEAM AT FRAME 20 WAS FOUND CORRODED. REMOVED THAT EXISTING REPAIR DOUBLER AND CLEANED THE AREA. POSITIONED, MARKED, DRILLED, TREATED AND INSTALLED NEW REPAIR DOUBLER PN EPNEM53EP54701. REPAIRS PERFORMED IAW SRM 53-00-10. AC RETURNED FOR SERVICE. (K)